JOHNSON, R. (1995). Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International.
Chicago-referens (17:e uppl.)JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.
MLA-referens (8:e uppl.)JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.
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